The phrase "poorest counties" refers to areas or regions that have a very low level of wealth or income compared to other places. It means that the people living in these counties have less money or resources. Full definition
This is a very poor county and people will have animals that they love but just can't provide for them. (blogs.bestfriends.org)
Dania is one of the remaining 118 dogs living at the Humane Society of the Delta in Helena Arkansas — the 13th poorest county in America. (wingsofrescue.org)
«Even though the ten poorest counties tax property at twice the rate of the ten wealthiest counties, the revenue they generate is substantially lower due to much lower property values,» said Public School Forum President and Executive Director Keith Poston. (ncforum.org)